15 raco expand: Macro Expansion
The raco expand command macro-expands and pretty-prints the contents of the given source files. See also expand.
Command-line flags:
- -n ‹n› or --columns ‹n› — - format output for a display with ‹n› columns 
- -h or --help — - show help information for this command 
- -- — - do not treat remaining arguments as switches